<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>费波列纳契数列</title>
</head>
<body>
	
	<script>
         function fbnq(n) {
         	if (n == 1 || n == 2) {
         		 return 1;
         	}else{
         		return fbnq(n-1) + fbnq(n-2);
         	}
         }

         console.log(fbnq(25));
	</script>
</body>
</html>